9 letter words:
procuring14,
7 letter words:
couping12,
curring10,
ingroup10,
pouring10,
prurigo10,
purring10,
rouping10,
6 letter words:
coping11,
coring9,
curing9,
poring9,
progun9,
roping9,
urping9,
inpour8,
rigour7,
5 letter words:
croup9,
coign8,
corgi8,
cuing8,
gipon8,
group8,
incog8,
oping8,
orgic8,
pingo8,
pirog8,
prong8,
cornu7,
cruor7,
curio7,
incur7,
orcin7,
orpin7,
prion7,
prior7,
purin7,
runic7,
unrip7,
giron6,
groin6,
guiro6,
rigor6,
ruing6,
unrig6,
4 letter words:
coup8,
crop8,
gorp7,
grip7,
ping7,
pong7,
prig7,
prog7,
pung7,
cion6,
coin6,
coir6,
coni6,
corn6,
curn6,
curr6,
icon6,
pion6,
pirn6,
porn6,
pour6,
puri6,
purr6,
roup6,
unci6,
unco6,
upon6,
uric6,
girn5,
giro5,
grin5,
ring5,
rung5,
inro4,
iron4,
noir4,
nori4,
ruin4,
3 letter words:
cop7,
cup7,
pic7,
cig6,
cog6,
gip6,
pig6,
pug6,
con5,
cor5,
cru5,
cur5,
nip5,
orc5,
pin5,
piu5,
poi5,
pro5,
pun5,
pur5,
rip5,
roc5,
upo5,
urp5,
gin4,
gnu4,
gor4,
gun4,
nog4,
rig4,
rug4,
ion3,
nor3,
our3,
rin3,
run3,
urn3,
2 letter words:
op4,
pi4,
up4,
go3,
in2,
no2,
nu2,
oi2,
on2,
or2,
un2,